<!DOCTYPE html>
    <html>
    <head>
        <title>Data Preview</title>
        <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
    </head>
    <body>
        <div class="container">
            <h1>数据预览</h1>
            <h4>{{ filename }}</h4>
            <div class="data-preview">
                {{ data_table|safe }}
            </div>
            <a href="{{ url_for('index') }}" class="btn">返回上传页面</a>
        </div>
    </body>
    </html>
